blasting operation的用法和樣例：
例句
- The road is closed because of blasting.
這條道路由於有爆破作業而被關閉。 - Colloidal particles are formed in considerable amounts in hard-rock drilling and blasting operation.
在硬岩石鑽孔和爆破作業中，大量地生成膠體粒子。 - The road is closed because of blasting.
這條道路由於有爆破作業而被關閉。 - The basic charge calculations have been concentrated round bench blasting.
裝葯計算的重點主要放在梯段爆破上。
